package com.shwread.android.qysw.activity;

import android.content.Context;
import android.content.res.AssetFileDescriptor;
import android.graphics.Bitmap;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.os.Bundle;
import android.os.Handler;
import android.os.Vibrator;
import android.text.TextUtils;
import android.view.SurfaceHolder;
import android.view.SurfaceHolder.Callback;
import android.view.SurfaceView;

import com.google.zxing.BarcodeFormat;
import com.google.zxing.Result;
import com.google.zxing.camera.CameraManager;
import com.google.zxing.decoding.CaptureActivityHandler;
import com.google.zxing.decoding.InactivityTimer;
import com.google.zxing.view.ViewfinderView;
import com.shwread.android.qysw10000182.R;

import java.io.IOException;
import java.util.Vector;


public class LiftQRcodeScanActivity
        extends
        BaseSimpleActivity
        implements
        Callback
{
	private CaptureActivityHandler handler;
	private ViewfinderView         viewfinderView;
	private boolean                hasSurface;         //是否在表面
	private Vector<BarcodeFormat>  decodeFormats;      //条码
	private String                 characterSet;
	private InactivityTimer        inactivityTimer;
	private MediaPlayer            mediaPlayer;
	private boolean                playBeep;
	private static final float     BEEP_VOLUME = 0.10f;
	private boolean                vibrate;
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_my_capture);
		initCamera();
	}
	
	private void initCamera() {
		// 初始化 CameraManager
		CameraManager.init(this);
		viewfinderView = (ViewfinderView) this.findViewById(R.id.viewfinder_view);
		hasSurface = false;
		inactivityTimer = new InactivityTimer(this);
	}
	
	@Override
	public void onResume() {
		super.onResume();
		SurfaceView surfaceView = (SurfaceView) this.findViewById(R.id.preview_view);
		SurfaceHolder surfaceHolder = surfaceView.getHolder();
		if (hasSurface)
		{
			initCamera(surfaceHolder);
		}
		else
		{
			surfaceHolder.addCallback(this);
			surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
		}
		decodeFormats = null;
		characterSet = null;
		
		playBeep = true;
		AudioManager audioService = (AudioManager) this.getSystemService(Context.AUDIO_SERVICE);
		if (audioService.getRingerMode() != AudioManager.RINGER_MODE_NORMAL)
		{
			playBeep = false;
		}
		initBeepSound();
		vibrate = true;
	}
	
	//初始化扫描音效
	private void initBeepSound() {
		if (playBeep && mediaPlayer == null)
		{
			// The volume on STREAM_SYSTEM is not adjustable, and users found it
			// too loud,
			// so we now play on the music stream.
			this.setVolumeControlStream(AudioManager.STREAM_MUSIC);
			mediaPlayer = new MediaPlayer();
			mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
			mediaPlayer.setOnCompletionListener(beepListener);
			
			AssetFileDescriptor file = getResources().openRawResourceFd(R.raw.beep);
			try
			{
				mediaPlayer.setDataSource(file.getFileDescriptor(), file.getStartOffset(), file.getLength());
				file.close();
				mediaPlayer.setVolume(BEEP_VOLUME, BEEP_VOLUME);
				mediaPlayer.prepare();
			}
			catch (IOException e)
			{
				mediaPlayer = null;
			}
		}
	}
	
	private void initCamera(SurfaceHolder surfaceHolder) {
		try
		{
			CameraManager.get().openDriver(surfaceHolder);
		}
		catch (IOException ioe)
		{
			return;
		}
		catch (RuntimeException e)
		{
			return;
		}
		if (handler == null)
		{
			handler = new CaptureActivityHandler(this, decodeFormats, characterSet);
		}
	}
	
	@Override
	public void onPause() {
		super.onPause();
		if (handler != null)
		{
			handler.quitSynchronously();
			handler = null;
		}
		CameraManager.get().closeDriver();
	}
	
	@Override
	public void onDestroy() {
		inactivityTimer.shutdown();
		super.onDestroy();
	}
	
	@Override
	public void surfaceChanged(SurfaceHolder arg0, int arg1, int arg2, int arg3) {
		// TODO Auto-generated method stub
		
	}
	
	@Override
	public void surfaceCreated(SurfaceHolder arg0) {
		if (!hasSurface)
		{
			hasSurface = true;
			initCamera(arg0);
		}
	}
	
	@Override
	public void surfaceDestroyed(SurfaceHolder arg0) {
		hasSurface = false;
	}
	
	public ViewfinderView getViewfinderView() {
		return viewfinderView;
	}
	
	//扫描完成执行的方法
	public void handleDecode(Result result, Bitmap barcode) {
		inactivityTimer.onActivity();
		playBeepSoundAndVibrate();
		String resultString = result.getText();
		if (TextUtils.isEmpty(resultString))
		{
			//Toast.makeText(this, "扫描失败，请重试!", Toast.LENGTH_SHORT).show();
		}
		else
		{
//			Intent lifeEditiIntent = new Intent(this, LifeVipEditActivity.class);
//			lifeEditiIntent.putExtra("capture_success", resultString);
//			startActivity(lifeEditiIntent);
			//Toast.makeText(this, "成功!"+resultString, Toast.LENGTH_SHORT).show();
			
//			Utils.showToast(this, "扫描成功");
//			Intent intent = new Intent(this, QRcodePayActivity.class);
//			startActivity(intent);
//			finish();
		}
	}
	
	public void drawViewfinder() {
		viewfinderView.drawViewfinder();
	}
	
	public Handler getHandler() {
		return handler;
	}
	
	private static final long VIBRATE_DURATION = 200L;
	
	private void playBeepSoundAndVibrate()//播放音效和振动
	{
		if (playBeep && mediaPlayer != null)
		{
			mediaPlayer.start();
		}
		if (vibrate)
		{
			Vibrator vibrator = (Vibrator) this.getSystemService(Context.VIBRATOR_SERVICE);
			vibrator.vibrate(VIBRATE_DURATION);
		}
	}
	
	private final OnCompletionListener beepListener = new OnCompletionListener()
	                                                {
		                                                public void onCompletion(MediaPlayer mediaPlayer) {
			                                                mediaPlayer.seekTo(0);
		                                                }
	                                                };
}
